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One track five lanes
Find the minimum number of lane changes necessary to cross the entire track without running into any obstacles <<http://www.a...

2 years ago

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Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

2 years ago

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Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifm...

2 years ago

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Find matching parenthesis
One of the most indispensable things about a great text editor for programming is the ability to quickly jump between matching p...

2 years ago

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Chess performance
After Problems <http://www.mathworks.com/matlabcentral/cody/problems/3054-chess-elo-rating-system/ 3054> and <http://www.mathwor...

2 years ago

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Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

2 years ago

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Chess ELO rating system
The Elo rating system is a method for calculating the relative chess skill levels of players in competitor-versus-competitor gam...

2 years ago

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Identify Reachable Points
Given a vector of 2-D Points and a vector of 2-D Deltas create an array of all Locations that can be reached from the points usi...

2 years ago

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RISK Calculator - Large Armies, High Accuracy, Fast
This Challenge is to quickly provide the high precision probability of legal RISK battles up to 100 vs 100. [ Attack >= 2 and D...

2 years ago

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Game of Nim
The Game of Nim is a famous studied 2 player strategy game. <http://en.wikipedia.org/wiki/Nim> There are 3 heaps, and you...

2 years ago

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RISK board game battle simulation
Given two positive integer inputs, a (attacker army units) and d (defender army units) return the probablity of victory (from 0....

2 years ago

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Wheat on a chessboard pt 2
If a chessboard were to have wheat placed upon each square such that x grains were placed on the first square and each successiv...

2 years ago

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Wheat on a chessboard pt 1
If a chessboard were to have wheat placed upon each square such that one grain were placed on the first square and each successi...

2 years ago

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Go-style solver
Consider a variation of the game Go where one player has gone ahead and placed several pieces all at once. Assuming that the sec...

2 years ago

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Pentago: find winning move
<http://en.wikipedia.org/wiki/Pentago Pentago> is a challenging two-player strategy game. The objective is to be the first playe...

2 years ago

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Valid Chess Moves
Using <http://en.wikipedia.org/wiki/Algebraic_chess_notation standard Algebraic notation> ('' for a pawn), given previous move a...

2 years ago

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Eight Queens Solution Checker
Write a function to verify whether an arrangement of queens on a chessboard is a valid solution to the classic <http://en.wikipe...

2 years ago

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hanoi towers II
with 3 rods (1,2 & 3), the goal is to move a tower of n disks from rod #1 to rod #3. You can move disks only one by one, on the...

2 years ago

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The Tower of Hanoi
In the <http://en.wikipedia.org/wiki/Tower_of_Hanoi Tower of Hanoi problem> with 3 rods (1, 2 & 3), the goal is to move a tower ...

2 years ago

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N-Queens Checker
Picture a chessboard populated with a number of queens (i.e. pieces that can move like a queen in chess). The board is a matrix,...

2 years ago

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

2 years ago

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文字列の最初と最後の文字だけ抜き出しましょう。
文字列の最初と最後の文字をつなげて返すような関数を作成しましょう。 もし文字が一つしかない場合、その文字は最初と最後の文字のため、関数はその文字を二回返すようにしておきましょう。 例: stringfirstandlast('borin...

2 years ago

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対称で、n*2n のサイズの行列を作成しましょう
サイズが n*2n の "mirror" 行列(対称行列)を作成しましょう。 例: n=2 の場合、以下のような出力を返します。 m = [ 1 2 2 1 1 2 2 1 ] n = 3 の場合、以下のよう...

2 years ago

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"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...

2 years ago

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Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

2 years ago

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英語の文章内の母音を取り除くコードを書きましょう。
与えられた英語の文章内の母音を取り除きましょう。 例: 入力 s1 が 'Jack and Jill went up the hill' の場合、 出力 s2 は 'Jck nd Jll wnt p th hll' * (英語版) ...

2 years ago

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What's size of TV?
Many people buy TV. Usually they ask about diagonal. But also important are width and height. Let's assume that all TV have rati...

2 years ago

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テレビのサイズを求めてみよう
あなたは電気屋で働いています。 あなたの電気屋にテレビを買いに来たお客さんに「何インチのテレビを買いたいのか」と質問したところ、対角線の情報しかわからないと言われてしまいました。 しかし、テレビのインチを知るには、幅と高さの情報が必要です。 ...

2 years ago

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

2 years ago

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NaN (欠損値) が含まれている行を削除しよう
行列 A が与えられたとき、その行列の中に NaN (Not a number; 欠損値) の要素がある行を見つけ出し、その行を削除しましょう。 例: A = [ 1 5 8 -3 NaN 14 ...

2 years ago

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